Play this throughout song:
      B       C            A
E|--------------------------------|
B|--------------------------------|
G|--------------------------------|
D|----7--7---8-8-8-8---5-5-5-5-5--|
A|----7--7---8-8-8-8---5-5-5-5-5--|
E|----5--5---6-6-6-6---3-3-3-3-3--|

Then play this:
E|----------------------------|
B|----------------------------|
G|-----------3-----2-2-2-2-2--|
D|--3/4-4-4--4-3-4-2-2-2-2-2--|
A|-----------------0-0-0-0-0--|
E|----------------------------|